---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34098 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 774 5188 4 2271 7167 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b2:6c:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84128sec preferred_lft 84128sec inet6 fe80::f816:3eff:feb2:6cd1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34098) 08/11/26 _x86_64_ (2 CPU) 00:35:19 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 1.48 0.03 1.43 0.01 1.71 50.63 1.41 01:00:12 15.76 0.01 1.55 14.20 0.20 19.14 106405.92 01:10:01 2.21 0.72 1.46 0.02 96.01 75.61 59.01 Average: 6.50 0.25 1.48 4.77 32.19 48.28 35690.75 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 5219952 7396612 371360 4.57 85876 2251356 657136 7.16 592676 2024052 160 01:00:12 5195452 7372712 394916 4.86 86072 2251756 656744 7.15 592804 2024620 184 01:10:01 5155836 7362088 405292 4.98 86532 2280220 842572 9.18 610052 2043228 128 Average: 5190413 7377137 390523 4.80 86160 2261111 718817 7.83 598511 2030633 157 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 3.09 0.86 0.69 0.35 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.68 0.26 0.17 0.10 0.00 0.00 0.00 0.00 01:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.91 0.47 4.86 0.09 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.57 0.53 1.89 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34098) 08/11/26 _x86_64_ (2 CPU) 00:35:19 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 0.43 0.00 0.15 0.01 0.09 99.32 00:50:12 0 0.56 0.00 0.10 0.00 0.05 99.28 00:50:12 1 0.29 0.00 0.20 0.01 0.13 99.37 01:00:12 all 0.41 0.00 0.26 0.32 0.10 98.92 01:00:12 0 0.47 0.00 0.28 0.16 0.09 99.00 01:00:12 1 0.34 0.00 0.24 0.48 0.10 98.84 01:10:01 all 0.51 0.00 0.18 0.06 0.07 99.18 01:10:01 0 0.59 0.00 0.16 0.10 0.06 99.08 01:10:01 1 0.42 0.00 0.20 0.03 0.08 99.28 Average: all 0.45 0.00 0.20 0.13 0.09 99.14 Average: 0 0.54 0.00 0.18 0.09 0.07 99.12 Average: 1 0.35 0.00 0.21 0.17 0.10 99.16